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of them citing boston pd. others citing federal sources. our own pete williams has taken a break from us to work the phones himself, and is now ready to speak us to in our washington bureau. pete, what do you know and what can we say? >> what we've been told by several source says there is no arrest. then it begins to break down from there, about whether -- let's start at the other end. what do they know? they believe they have video that shows what they were looking for. a person setting down a black nylon bag at the scene of one of the bombings and walking away. now as we go toward the other end of that, we have two conflicting source is on whether, you know, they see that person, they look at the face. do they know who it is or not? someone says yes, they are trying to find him. other sources say no, they are trying to figure out who it is. which is it, i don't know. i will say throughout this, from the beginning of this, this has been the hall mark of this story. that information that is pointing in totally different direction says coming from normally very dependable sources and you
to bring in pete williams, who's also standing by for us in washington, d.c. and pete, i understand that there was an initial positive test, but there's really no way to know whether it's really ricin until additional testing is done. >> ever since the anthrax mailings, no mail has gone directly to the white house, capitol hill and many other government offices. it's all sent to off site facilities to test it for various things. both facilities gave an initial positive for a poison called ricin. there were subsequent tests, they were conflicting. but you can't really know for sure what it is until it's sent to a lab and cultured and then you look under a mike scope to see what it is. now, we have seen events in the past, craig, ice ricin is made tr castor beans and someone will just take dried beans and grind them up and put them in a letter. now, that will test positive for ricin even though there's no ricin there. i guess it would be like the difference between poppies and opium. they're related, but it's not the same thing. so you won't know whether it's ricin until later today i
, as pete williams and myself have been reporting all day, there is no suspect. there is no arrest. there is no specific name. now, we've been told that there have been several names out there that obviously they would want to run them down but we've been told that it's ruled out. the investigation is ongoing, moving forward. the piece of tape is one of many critical pieces that they are using to try to track suspects but right now no arrests. >> tell me how that's done. you're being looking at a piece of video, you enlarge it, try to improve its fidelity, its picture? what do you do? you look at the wanted posters? how do you identify -- do you look through mug shots? how do you find that person? >> the technology has improved tremendously in terms of facial recognition technology and they are using that matching images on video at the scene to any faces that might be in databases and running that to see if there's any sort of match. another way is, okay, here's an image that we've got. let's go back to others who we know that were at the scene and who were at businesses nearby an
at eye level. so perhaps that gives more after bird's-eye view. >> pete williams, we know you are busy working phones so we will let you bet back to it. let's get to former nypd, tom, what do you make of the latest information that's coming out? >> well, it's exactly what's been said all along the law enforcement will put the pieces of the puzzle together. they will slowly and meticulously go through not only forensic evidence, the bomb, the remnants of the bomb in a crime scene type of way and give it to atf to put together. because that's what those guys do and those what those guys do well. then what they are going to do is look at surveillance cameras. we know from lord & taylor that is right there on boyleston street, they will go through the film and they may have the person of interest that may have placed the bombs. the video is probably newer quality and a newer brand and give law enforce amount good eye's view on who put the bomb's down and mabybe even a facial shot of who did it. >> is this where the see video e evidence used to identify person and then more definitive infor
of calls coming in. we're told by pete williams that the fbi is receiving calls of suspected matchups with the faces here. >> they are getting some names and now what they are trying to do is run those names through data is bas and s databases and there is no name to match the suspects. but they are operating those lines. they have task force teams obviously ready to run out and follow any leads as they come in. some names are being offered from the calls and e-mails that are coming in but as of now there is no certain match and they are, again, using all their computers and technology to try to, as the names come in, to try to find them and find out which tips are more credible than the others. >> i'm wondering, jonathan, if you were in that crowd and survived and you're watching right now, does the human memory work that way that you would recognize these two guys walking along dressed as they were? >> i don't know. looking over the videotapes of that crowd, people were coming, going, celebratory, people watching the race, looking out on to the marathoners finishing up looking for t
the debris. pete williams reports that investigators know for certain this attack involved just two bombs. several other packages were deemed suspicious. it is coming from nbc pete williams. a senior law enforcement official says it appears there were two unbloweded devices. just two that went off. police are studying surveillance to see if they can see anybody with packages where the bombs went off. there is a video of someone carrying two backpacks but it is too early to know whether that was related to the attack. >> social media played a huge role in the last 24 hours. the aftermath of the bombings at the boston marathon. boston police confirmed the explosions in a tweet at 3:39 p.m. eastern time and provided updates and subsequent tweets throughout the afternoon and into the evening. i'm not sure this had been done before. witnesses sent updates as people around the country followed the attack. and foursquare was actually running in the marathon, the ceo. i'm okay. about 20k of us in coral just before mile 26 marker. the hashtag spiked after the attack. and google set up what's calle
Search Results 0 to 5 of about 6